ERROR opening https://cactus.nci.nih.gov/chemical/structure/CCC%5BC%40%40H%5D1C2%3DC%28%5BC%40%40H%5D3%5BC%40H%5D%28O1%29CC%28%3DO%29O3%29C%28%3DO%29C4%3DC%28C2%3DO%29C%28%3DCC%3DC4%29O/file?format=sdf&get3d=True  -- CCC%5BC%40%40H%5D1C2%3DC%28%5BC%40%40H%5D3%5BC%40H%5D%28O1%29CC%28%3DO%29O3%29C%28%3DO%29C4%3DC%28C2%3DO%29C%28%3DCC%3DC4%29O could not be loaded.